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Class Information
Number: 313/479
Name: Electric lamp and discharge devices > Cathode ray tube > Envelope > Coating or shielding
Description: Subject matter including means for protecting the envelope or preventing radiation from entering or leaving the envelope.

Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
4041347 Cathode-ray tube having conductive internal coating exhibiting reduced gas absorption Aug. 9, 1977
4018717 Arc suppression in a cathode ray tube Apr. 19, 1977
4019085 Internal magnetic shield for cathode ray tube Apr. 19, 1977
3996491 External connective means for a cathode ray tube Dec. 7, 1976
3979632 Cathode ray tube having surface charge inhibiting means therein Sep. 7, 1976
3959686 Cathode ray tube construction having defined processing and operational means incorporated therein May. 25, 1976
3940511 Method for preparing haze-resistant lithium-silicate glare-reducing coating Feb. 24, 1976

1 2 3 4 5 6 7 8 9 10

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